Trepidant is a word that describes the feeling of uneasiness and anxiety that often accompanies uncertainty or fear. Some synonyms for this word include anxious, nervous, apprehensive, agitated, restless, and uneasy. These words all capture the sense of discomfort and worry that can happen when facing a new challenge or situation. Other possible synonyms might include jittery, edgy, tense, panicky, or jumpy. No matter the word chosen, all convey the idea of being on edge and feeling a sense of tension or fear. It's important to recognize these feelings and address them head-on to manage any negative impacts they may have on one's mental and emotional well-being.